Simplex Trading Portfolio holdings
Simplex Trading, founded in 2004 and headquartered in Chicago, Illinois, is a technology-driven proprietary trading firm specializing in market-making and liquidity provision, primarily in U.S. equity options and futures options. Leveraging advanced proprietary software and data-driven analysis, the firm optimizes trading strategies and develops innovative solutions to capitalize on financial market opportunities, maintaining a competitive edge through automation and a collaborative team of technologists and traders. With a workforce exceeding 300 and led by CEO Erik Swanson since 2014, Simplex operates with a low-ego, high-intelligence culture, focusing on minimal bureaucracy and rapid execution, while also making strategic venture capital investments in fintech startups. Recognized as a top workplace in Chicago by Built In’s 2025 awards, Simplex continues to evolve, blending cutting-edge technology with a commitment to market efficiency and growth.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$179M |
| 2 |
iShares 20+ Year Treasury Bond ETF
TLT
|
+$90.1M |
| 3 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$56M |
| 4 |
iShares Silver Trust
SLV
|
+$41.7M |
| 5 |
Advanced Micro Devices
AMD
|
+$39.8M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$42.8M |
| 2 |
Verizon
VZ
|
+$42.5M |
| 3 |
Occidental Petroleum
OXY
|
+$34.7M |
| 4 |
iShares China Large-Cap ETF
FXI
|
+$33M |
| 5 |
Direxion Daily S&P 500 Bull 3x ETF
SPXL
|
+$32.7M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.67% |
| 2 | Consumer Discretionary | 0.37% |
| 3 | Industrials | 0.24% |
| 4 | Healthcare | 0.22% |
| 5 | Financials | 0.19% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
BHVN
3676
CALL
DELISTED
Biohaven Pharmaceutical Holding Company Ltd.
BHVN
| $569K | ﹤0.01% |
4,800
-1,300
| -21% | -$162K |
|
3677
PUT
LoveSac
LOVE
$249M
| $567K | ﹤0.01% |
10,500
-7,700
| -42% | -$369K |
|
3678
Outdoor Holding Co
POWW
$250M
| $566K | ﹤0.01% |
+118,101
| New | +$553K |
|
3679
Lumen
LUMN
$6.45B
| $564K | ﹤0.01% |
+50,131
| New | +$574K |
|
3680
PUT
Pacira BioSciences
PCRX
$1.04B
| $564K | ﹤0.01% |
7,400
-2,400
| -24% | -$160K |
|
3681
CALL
Ring Energy
REI
$297M
| $564K | ﹤0.01% |
147,700
+86,200
| +140% | +$265K |
|
|
TEN
3682
Tsakos Energy Navigation Ltd
TEN
$1.18B
| $564K | ﹤0.01% |
64,253
+62,494
| +3,553% | +$507K |
|
|
SHLX
3683
PUT
DELISTED
Shell Midstream Partners, L.P.
SHLX
| $564K | ﹤0.01% |
39,700
+28,200
| +245% | +$378K |
|
3684
Murphy Oil
MUR
$5.38B
| $563K | ﹤0.01% |
+13,961
| New | +$478K |
|
3685
CALL
NexGen Energy
NXE
$6.17B
| $563K | ﹤0.01% |
99,500
+33,000
| +50% | +$159K |
|
3686
PUT
Oscar Health
OSCR
$8.54B
| $563K | ﹤0.01% |
56,500
+17,900
| +46% | +$133K |
|
3687
PUT
Ryder
R
$10.3B
| $563K | ﹤0.01% |
7,100
+4,900
| +223% | +$381K |
|
3688
Builders FirstSource
BLDR
$7.82B
| $562K | ﹤0.01% |
8,710
+6,903
| +382% | +$501K |
|
|
BBBY
3689
Bed Bath & Beyond
BBBY
$512M
| $562K | ﹤0.01% |
+14,054
| New | +$624K |
|
3690
The Honest Company
HNST
$423M
| $562K | ﹤0.01% |
107,891
+77,836
| +259% | +$469K |
|
|
VG
3691
PUT
DELISTED
Vonage Holdings Corporation
VG
| $562K | ﹤0.01% |
27,700
-39,500
| -59% | -$809K |
|
3692
CALL
Domo
DOMO
$161M
| $561K | ﹤0.01% |
11,100
-9,400
| -46% | -$427K |
|
|
HOLX
3693
DELISTED
Hologic
HOLX
| $561K | ﹤0.01% |
+7,307
| New | +$525K |
|
|
AVTA
3694
CALL
DELISTED
Avantax, Inc. Common Stock
AVTA
| $561K | ﹤0.01% |
28,700
-33,200
| -54% | -$602K |
|
3695
PUT
Designer Brands
DBI
$298M
| $560K | ﹤0.01% |
41,500
-7,800
| -16% | -$103K |
|
|
FARO
3696
CALL
DELISTED
Faro Technologies
FARO
| $560K | ﹤0.01% |
10,800
+10,300
| +2,060% | +$575K |
|
|
KREF
3697
CALL
KKR Real Estate Finance Trust
KREF
$471M
| $560K | ﹤0.01% |
27,200
+1,900
| +8% | +$39.9K |
|
|
AHT
3698
CALL
Ashford Hospitality Trust
AHT
$20.9M
| $559K | ﹤0.01% |
5,490
-13,100
| -70% | -$1.17M |
|
3699
Affiliated Managers Group
AMG
$9.61B
| $559K | ﹤0.01% |
3,970
+1,496
| +60% | +$215K |
|
3700
CALL
BlackRock TCP Capital
TCPC
$265M
| $559K | ﹤0.01% |
39,100
+30,000
| +330% | +$412K |
|
Similar funds
Simplex Trading's Q1 2022 Portfolio in Review
As of Q1 2022, Simplex Trading held 12,038 positions worth $109B, up 10% from $99B the previous quarter. Its ten largest holdings account for 37% of the portfolio.
Simplex Trading deployed $17.5B of net new capital in Q1 2022, opening 1,603 new positions and adding to 4,441 existing holdings. Its largest new stake was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
By sector, the portfolio is most concentrated in Technology at 0.67% of assets, up from 0.61% a quarter earlier, followed by Consumer Discretionary and Industrials.
On the sell side, the largest reduction was Verizon, an estimated $42.5M trimmed.
- Simplex Trading's largest Q1 2022 buy was iShares 20+ Year Treasury Bond ETF: 652,921 shares worth $86.2M.
- Simplex Trading added most to Apple in Q1 2022, an estimated $179M increase.
- Simplex Trading's biggest Q1 2022 reduction was Verizon, cutting an estimated $42.5M.
- Simplex Trading fully exited State Street Financial Select Sector SPDR ETF in Q1 2022, selling an estimated $42.8M.
- Simplex Trading's ten largest holdings make up 37% of its $109B portfolio in Q1 2022.
- Simplex Trading opened 1,603 new positions and closed 1,637 in Q1 2022.
- Simplex Trading's portfolio value rose 10% quarter-over-quarter to $109B.
Based on Simplex Trading's 13F filing for Q1 2022, filed 2 May 2022.